Removing parallel MTV's from SAT

        public virtual Vector2 resultantVelocity(List<Vector2> velocities)
        {
            Vector2 resultant = new Vector2(0,0);

            for (int i = 0; i < velocities.Count; i++)
            {
                for (int j = i + 1; j < velocities.Count; j++)
                {
                    float dot1 = Vector2.Dot(velocities[i], velocities[i]);
                    float dot2 = Vector2.Dot(velocities[j], velocities[j]);
                    float dot3 = Vector2.Dot(velocities[i], velocities[j]);
                    float finalDot = dot1 * dot2 - dot3 * dot3;

                    if (finalDot == 0)
                    {
                        if (velocities[i].Length() > velocities[j].Length())
                        {
                            Vector2 newVel = velocities[i] - velocities[j];
                            velocities.Remove(velocities[i]);
                            velocities.Remove(velocities[j]);
                            velocities.Add(newVel);
                        }
                        else
                        {
                            Vector2 newVel = velocities[j] - velocities[i];
                            velocities.Remove(velocities[i]);
                            velocities.Remove(velocities[j]);
                            velocities.Add(newVel);
                        }
                    }

                }

                resultant += velocities[i];
            }


            return resultant;
        }